Pith Number

pith:XSMPC5RJ

pith:2007:XSMPC5RJEOYDMUKVAJEB5WMHK4

not attested not anchored not stored refs pending

Formation & evolution of the Galactic bulge: constraints from stellar abundances

Francesca Matteucci, Livia Origlia, R. Michael Rich, Silvia K. Ballero

arxiv:astro-ph/0702137 v1 · 2007-02-06 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XSMPC5RJEOYDMUKVAJEB5WMHK4}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-04T17:07:37.596508Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc98f1762923b036515502481ed987573557503dc9ef2d6189d9d7f746149d53

Aliases

arxiv: astro-ph/0702137 · arxiv_version: astro-ph/0702137v1 · doi: 10.48550/arxiv.astro-ph/0702137 · pith_short_12: XSMPC5RJEOYD · pith_short_16: XSMPC5RJEOYDMUKV · pith_short_8: XSMPC5RJ

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/XSMPC5RJEOYDMUKVAJEB5WMHK4 \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: bc98f1762923b036515502481ed987573557503dc9ef2d6189d9d7f746149d53

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f01337933181f115ca075095510e946398e189b8bd497e4c4fda2784911a3698",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-02-06T00:07:37Z",
    "title_canon_sha256": "3b1f0b6bfac9db7ac9d80882b26a7e537689beb4f50147cfcac360069f89cc8f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0702137",
    "kind": "arxiv",
    "version": 1
  }
}